What Makes The Lub Dub Sound (8K 2027)

#HeartHealth #LubDub #CardiologyExplained #ScienceFacts #Anatomy

Here’s a social media post (Instagram, Twitter, Facebook) explaining the “lub-dub” sound:

🔊 → Your aortic & pulmonic valves close after the lower chambers relax. This prevents blood from leaking back into the heart.

#HeartHealth #LubDub #CardiologyExplained #ScienceFacts #Anatomy

Here’s a social media post (Instagram, Twitter, Facebook) explaining the “lub-dub” sound:

🔊 → Your aortic & pulmonic valves close after the lower chambers relax. This prevents blood from leaking back into the heart.

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